Home / 40,905.60-56,481.60-32,985.60

Finding the Fourth Proportional to 40,905.60, 56,481.60 and 32,985.60

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Solution

The fourth proportional to 40,905.60, 56,481.60 and 32,985.60 is: 45,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.60 : 56,481.60 = 32,985.60 : x
  2. Step 2: Convert to fraction form
    40,905.60/56,481.60 = 32,985.60/x
  3. Step 3: Cross multiply
    40,905.60x = 56,481.60 × 32,985.60
  4. Step 4: Simplify right side
    40,905.60x = 1,863,079,464.96
  5. Step 5: Solve for x
    x = 1,863,079,464.96/40,905.60
  6. Step 6: Final answer
    x = 45,545.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.